Synthesis of silver nanoparticles by using Aloe vera and Thuja orientalis leaves extract and their biological activity: a comprehensive review

Abstract

Background Nanotechnology's rapid development has been in great demand, particularly for silver nanoparticles, which are useful in a variety of industries including medicine, textiles, and home appliances. Silver nanoparticles are extremely essential due to their unique physicochemical and antibacterial properties, which can be used in a variety of applications. Green synthesis is an environmentally friendly alternative to conventional synthesis because it uses fewer chemical reagents and lowers temperature and pressure. Aloe vera and Thuja orientalis have a wide medical use because it contains a large number of compounds derived and was decided to use for the synthesis of nanoparticles. Main text The combination of silver nanoparticles has a wide range of applications, which has encouraged researchers to focus on the methods for the synthesis of silver nanoparticles from Aloe vera and Thuja orientalis leaves extract, characterization techniques of synthesized silver nanoparticles, and evaluation of their antimicrobial and antifungal activities. The synthesized AgNPs can be characterized by using various analytical techniques including UV–visible spectroscopy, Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), etc. The various types of silver nanoparticles, various strategies for silver nanoparticle synthesis, nano-based drug delivery systems, taxonomy and chemical constituents of Aloe vera and Thuja orientalis plants, the general mechanism of action of silver nanoparticles in bacteria, and various applications of silver nanoparticles have also been discussed. Conclusion This review covers a wide range of research on silver nanoparticles to gain a better understanding of their physicochemical feature characterization, production, mechanisms of action, and applications. Various AgNP factors, such as size, surfactant, and structural shape, influence the unique physicochemical properties of these nanoparticles. Even though there are a variety of ways to make AgNPs, green synthesis has a high yield and biocompatibility because it uses natural agents and harmless chemicals. In this paper, we describe the green manufacture of silver nanoparticles utilizing Aloe vera and Thuja orientalis leaf extracts, as well as the method to test their antimicrobial and antifungal activity.

Evaluation of Physical Properties of Denture Base Resins Containing Silver Nanoparticles of Aloe barbadensis Miller, Morinda citrifolia, and Boesenbergia rotunda and Its Anti-microbial Effect: An In Vitro Study

“…Additionally, it has been seen that NPs made using a biological process are more ecologically friendly and biocompatible. Additionally, the procedure is economical [ 2 , 4 , 7 ]. According to Grindlay and Reynolds, aloe vera has a variety of natural components including saponin, tannin, terpenoids, and flavonoids that can interact with microbial membranes.…”

Toxicity and Molecular Mechanisms of Actions of Silver Nanoparticles

“…They are helpful in plasmonics and sensing applications because of these characteristics. In general, AgNP's physicochemical characteristics make them a viable material for a variety of applications [37] [38]. However, it is also important to carefully research and take into account their potential toxicity and effects on the environment.…”

Manganese Detection in Water Samples via Photometrix Colorimetric Analysis on Smartphones, by using Silver Nanoparticles Prepared from Okara Extract

“…In addition, the nanoparticles obtained from extracellular synthesis using plant extracts are easily purified and retrieved. [10] Several plant and biomass extracts were reported to have achieved extracellular synthesis of silver and gold nanoparticles including the extracts of leave of lemongrass (Cymbopogon citratus), [11] neem (Azadirachta indica), [12] Aloe vera, [13] tamarind (Tamarindus indica), [14] Moringa oleifera, [15] Ziziphus zizyphus; [16] fruits of Garcinia mangostana, [17] Cornus officinalis, [18] Emblica officinalis; [19] seeds of Coffea Arabica, [20] Pistacia atlantica; [21] flowers of Jatropha integerrima Jacq., [22] Gnidia glauca; [23] and biomasses of Laminaria Japonica, [24] wheat (Triticum aestivum) and oat (Avena sativa), [25] hop, [26] and red onion peels. [27] Okara is the soybean residue obtained from the soybean milk or soybean curd (tofu) industry.…”